Home / 39,268.32-58,911.12-18,515.04

Finding the Fourth Proportional to 39,268.32, 58,911.12 and 18,515.04

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Solution

The fourth proportional to 39,268.32, 58,911.12 and 18,515.04 is: 27,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.32 : 58,911.12 = 18,515.04 : x
  2. Step 2: Convert to fraction form
    39,268.32/58,911.12 = 18,515.04/x
  3. Step 3: Cross multiply
    39,268.32x = 58,911.12 × 18,515.04
  4. Step 4: Simplify right side
    39,268.32x = 1,090,741,743.24
  5. Step 5: Solve for x
    x = 1,090,741,743.24/39,268.32
  6. Step 6: Final answer
    x = 27,776.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.